Part Number
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RT8476A |
Manufacturer
|
Richtek |
Description
|
Two-Stage Hysteretic LED Driver Controller |
Published
|
May 27, 2016 |
Detailed Description
|
®
RT8476A
Two-Stage Hysteretic LED Driver Controller
General Description
The RT8476A is a two-stage controller with du...
|
Datasheet
|
RT8476A
|
Overview
®
RT8476A
Two-Stage Hysteretic LED Driver Controller
General Description
The RT8476A is a two-stage controller with dual gate drivers consist of a Boost converter (first stage) and a Buck converter (second stage).
The advantage of the twostage topology is highly compatible with ET (Electronic Transformer) in MR16 / AR111 lighting market field applications.
The first stage is a Boost converter for constant voltage output with inductor peak current over-current protection.
The second stage is a Buck converter for constant output current by typical constant peak current regulation.
The RT8476A is equipped with dual output gate drivers for external power MOSFETs, suitable for higher power appl...
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